Figure 2: Findings from CT enteroclysis and endoscopic mucosal examination before and after the introduction of biologics. (a) CT enteroclysis before the introduction of biologics. (b) Mucosal findings corresponding to the same location as indicated by the arrow in (a) show edema. (c) CT enteroclysis at 84 days after the first CT enteroclysis showing improvement of the inflammation. (d) Mucosal findings corresponding to the same location as indicated by the arrow in (c) show no edema or ulcer.